Floor construction



Dec; 28 1926. 1,6127% c. E. CROZIER FLOOR CONSTRUCTION Filed Oot. 50, 1925 ATTORNEY Patented Dec. 28, 1926.

UNITED STA CLARENCE E. CBOZIER,

OF DES MOINES, IOWA.

FLOOR CONSTRUCTION.

Application filed October 30, 1925. Serial No. 65,863.

This invention relates to improvements in floor construction and contemplates the provision of a concrete mould pan adapted to be arranged in end to end and from side to side with a plurality of companion pans between and upon which is poured the material to be moulded and forming the structure of the joist and floor.

Another object of my invention resid s in the construction of the pans per se wiich when so associated may be supported upon the usual and conventional form of joist in their support thereon during the process of moulding the joists and floors. The end pan, tapering from end to end in providing enlarged ends of the joist against the wall whereby the joists will be materially 'en larged and strengthened in supporting the floor and its association with the respective side wall.

A further object of my invention is theprovision of spreader bars and uprights, the former having their respective end portions abutting the inner sides of the pan while the uprights engaging the under sides of the pan in strengthening the same during the process of moulding and preventing the tops of the pans from bending inwardly and creating an uneven floor surface.

An additional object of my invention residing in the construction and provision for ends for the respective plans to retain the concrete so poured therein against a wall and such end pans beingcapable of used equally and effectually as well upon'the ends of both straight and tapered end pans when it becomes necessary to create with one pan or the other as the end pan.

With the above and other objects in View, the invention further includes the following novel features and details of construction, to be hereinafter more fully described, illustrated in the accompanying drawings and pointed out in the appended claims.

In the drawings Figure 1 is a fragmentary end elevation of the pans during the process of moulding and showing their coacting relationship and support upon the beams.

Figure 2 is a perspective of the spreader bar and uprightconnected therewith.

Figure 3 is a fragmentary side elevation of a spreader bar and showing the manner a in which the upright may be adjustably se cured thereon.

Figure 4 is a fragmentary perspective of tioned pan and tapering from end to end and having a tapered end therefor.

Figure 6 is a perspective of an end for the straight end pans.

Referring to the drawing in detail, wherein like characters of reference denote corresponding parts, the reference characters 10 indicate the usual and conventional form of the 2x10" beams generally used in the construction of floors but in this instance are used as auxiliaries in the supporting of the pans. which will be presently described, and which form no part of the present application for Letters Patent but are merely shown for purposes of illustration in bringing forward the novel advantages of the above entitled invention.

The invention residing in the provision of end and intermediate pans 34 and 29 respectively, both of which are common in the formation of a relatively fiat top and of downwardly and obliquely disposed side walls 13 terminating in transversely disposed outwardly extending flanges 14 While angular strips 23 formed upon the under side and extending longitudinally and centrally of the width and flanges 14 upon the upper sides thereof in the creation ofchannels within the inner sides thus created in the pans 29 and 34 respectively. The end pans 34 differ from the intermediate pans 29 in having their side walls 13 tapering from end to end, the purpose of which will be presently apparent.

When the pans are arranged, in the manner as clearly illustrated in Figure 1 of the drawings, the opposite end portions of channeled spreader bars 17 are received within the channels 26 formed by the angular plates 23 beneath the flanges 14 while the upper sides of the beams 10 are "received between the corresponding outer sides of the meeting angle angular strips 25 and engaging the outer portion of the flanges 14 in the supporting of the pans and preventing any bending or disengagement of the flanges 14 from the beams 10. And in order to provide means for also strengthening the tops of the pans, either 34-or 29 being the end and intermediate pans respectively, I provide relatively flat upright plates 18 having a plurality of rack teeth 19 upon one side thereof thereby against the adjacent side edges of the registering openings in the channel spreader bars 17 and against accidental displacement. VVhereby the tops of the pans 29 and 34 may be strengthened and any possibility of their bending being eliminated whereby a floor thus moulded and poured upon the top of the pan, either 29 or 34, will not become concaved from the weight of the material thus poured thereon but will present an even and level floor space after the material so poured has dried and completely molded upon the pan.

It will thus be noted that when the respective end portions of the channeled spreader bars 17 are received within the channels 26 thus formed and the exact formation of the upright plates 18 used in conjunction therewith will also eliminate any possibility of the tops of the pans from becoming concaved from the weight of the material thus poured thereon and in presenting a level floor spacewhen the mould is completed. It is further to' be noted that the auxiliary downwardly disposed plates when arranged in coacting relationship with the corresponding plates u on an adjacent pan form recesses there etween within which are received the beams 10 in supporting the pans at an appropriate height within the side walls of a building, under construction, in the formation and moulding of joists and floors.

It is to be noted that "these pans 29 when arranged in the manner as previously described and illustrated will allow the mixture so poured thereon to run from one pan to the other and. frequently owing to the lack of tapered end pans it becomes necessaryto provide ends for these pans 29 whereby anyoneof the straight pans 29 may be used as an end. These ends, as indicatedat 33 have a configuration equivalent to the end and inner sides of the pans 29 sothat no mixture will be allowed to pass from the walls against which the respective pan is positioned or abuts and such ends 33 also serve to strengthen the pans and to prevent their bending or bulling.

In Figure 5 of the drawings I have illustrated a similar constructed tapered pan 34 which is adapted to be used as an end pan only and which includes a tapered end 35 that is extending downwardly and outwardly with respect to-the corresponding end of the pan 34 and also have correspondingly extending side walls 36 which are riveted as indicated at 37 to prevent their accidental displacement. The taper of the ends 35 serving to permit the easy removal of the pans after the mixture has been hardened.

It will thus be noted from the foregoing description and accompanying drawings that the type of moulds described and illustrated inthe foregoing description and accompanying drawings presents a method and constructiorfof pans when so associated will eliminate all carpenter work save for the arrangament of the beams 10 and which pans may be immediately and easily arranged upon the beams 10 with little difficulty, by even unskilled labor, and be sup ported thereupon in the manner as set forth. The channeled spreader bars 17 arranged within the channels, 26, in conjunction with the relatively flat upright plates 18 by and with theuse thereof, joists and floors may be moulded much more quickly than were the moulds made of wood and require the services of carpenters and the expense incurred thereby in the use of lumber which is no longer good fora second mould.

It will thus be noted from the showings that the intermediate and end pans may be used equally and effectually as well in substitution one for the end pans and for removably securing the ends therefor which are capable of beingused within the ends of the straight or intermediate pans.

other for creating The invention is susceptible of various changes in its form proportions and minor details of construction, and the right is herein reserved to make such changes as properly fall within the scope of the appended claims. Having described my invention what is claimed is r 1. A floor construction of the character described comprisin an moulds including downwardly and 5) lquely disposed side walls terminating in outwardly and transversely disposed flanges, means provided upon the under sides of the flanges in forming a recess therebetween for the reception of the upper edges of supporting beams therein, spreader bars having their respective ends arranged beneath the flanges and engaging the last mentioned means, and uprights carried by the spreader bars in sup' porting the pan tops.

2. A floor construction of the character described comprising pan moulds having downwardly and obliquely disposed side walls terminating in outwardly and transversely disposed flanges, downwardly disposed plates formed upon the under side and outer side edges of the-flanges and terminat ing in' inwardly disposed shoulders thereon,

auxiliary correspondingly disposed plates provided upon the inner side edges of the shoulders; channeled spreader bars having their respective end portions received within the Channels thus formed by the downwardly disposed plates and shoulders thereon, and upright plates extending through appropriate points in the length of the spreader bars and including rack teeth thereon for adjustably supporting the top of the pan .moulds substantially as set forth. a

3. A floor construction of the character described comprising pan moulds, said pans having downwardly and obliquely disposed side walls terminating in outwardly an transversely disposed flanges, downwardly disposed plates formed upon the under side and outer side edges of the flanges terminating in inwardly auxiliary and correspondingly disposed plates provided upon the inner side edges of the shoulders, channel spreaders having their respective end portions received within the channels thus formed by the downwardly disposed plates. and shoulders thereon, an upright plate extendingthrough appropriate points in the length of the spreader pans and including rack teeth pan moulds, and means carried within the end of the pan whereby such mixture so poured upon the pan may not find its way beneath the d latter.

In testimony whereof I afiix my signature.

CLARENCE E. CROZIER.

thereon for adjust- V ably supporting the tops of the disposed shoulders thereon, 

